File indexing completed on 2024-05-26 04:57:43

 /**
  * \file configstore.cpp
  * Configuration storage.
  *
  * \b Project: Kid3
  * \author Urs Fleisch
  * \date 09 Jul 2011
  *
  * Copyright (C) 2011-2024  Urs Fleisch
  *
  * This file is part of Kid3.
  *
  * Kid3 is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * Kid3 is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "configstore.h"
 #include "generalconfig.h"
 #include "isettings.h"
 
 namespace {
 
 /**
  * Current configuration file version.
  * 0: <= 3.0.2
  * 1: 3.1
  * 2: 3.2
  * 3: 3.3
  * 4: 3.7
  * 5: 3.8.3
  * 6: 3.8.5
  * 7: 3.9.0
  * 8: 3.9.3
  */
 constexpr int CONFIG_VERSION = 8;
 
 }
 
 /** Version of configuration file read, -1 if not read yet. */
 int ConfigStore::s_configVersion = -1;
 
 
 ConfigStore* ConfigStore::s_self = nullptr;
 
 /**
  * Constructor.
  * @param config application settings
  */
 ConfigStore::ConfigStore(ISettings* config) : m_config(config)
 {
   Q_ASSERT_X(!s_self, "ConfigStore", "there should be only one config store");
   s_self = this;
 }
 
 /**
  * Destructor.
  */
 ConfigStore::~ConfigStore()
 {
   qDeleteAll(m_configurations);
 }
 
 /**
  * Persist all added configurations.
  */
 void ConfigStore::writeToConfig()
 {
   const auto cfgs = m_configurations;
   for (const GeneralConfig* cfg : cfgs) {
     cfg->writeToConfig(m_config);
   }
   m_config->beginGroup(QLatin1String("ConfigStore"));
   m_config->setValue(QLatin1String("ConfigVersion"), QVariant(
       s_configVersion > CONFIG_VERSION ? s_configVersion : CONFIG_VERSION));
   m_config->endGroup();
 }
 
 /**
  * Add a configuration.
  * The configuration will be read from the application settings.
  *
  * @param cfg configuration, ownership is taken
  * @return index of configuration.
  */
 int ConfigStore::addConfiguration(GeneralConfig* cfg)
 {
   Q_ASSERT(cfg);
   if (!cfg)
     return -1;
 
   if (s_configVersion == -1) {
     m_config->beginGroup(QLatin1String("ConfigStore"));
     s_configVersion =
         m_config->value(QLatin1String("ConfigVersion"), 0).toInt();
     m_config->endGroup();
   }
   int index = m_configurations.size();
   m_configurations.append(cfg);
   cfg->readFromConfig(m_config);
   return index;
 }